diff --git a/Showing-Text-in-Complex-or-Mixed-Scripts.md b/Showing-Text-in-Complex-or-Mixed-Scripts.md
index bda8f72..a4c1ee1 100644
--- a/Showing-Text-in-Complex-or-Mixed-Scripts.md
+++ b/Showing-Text-in-Complex-or-Mixed-Scripts.md
@@ -16,10 +16,10 @@ MiniGUI's font interfaces in version 4.0.0.
 But this is only a small part of the whole story. To show a text paragraph in
 complex/mixed scripts, we must implement the complete APIs which conforming
 to Unicode standards and specifications, including the Unicode
-Bidirectional Algorithm (UAX #9), Unicode Line Breaking Algorithm
-(UAX #14), Unicode Normalization Forms (UAX #15), Unicode Script Property
-(UAX #24), Unicode Text Segmentation (UAX #29), Unicode Vertical
-Text Layout (UAX #50), and so on.
+Bidirectional Algorithm (UAX#9), Unicode Line Breaking Algorithm
+(UAX#14), Unicode Normalization Forms (UAX#15), Unicode Script Property
+(UAX#24), Unicode Text Segmentation (UAX#29), Unicode Vertical
+Text Layout (UAX#50), and so on.
 
 On the basis of full support for Unicode, we provides APIs for laying out,
 shaping, and rendering the text in complex or mixed scripts.